Atomic Structure

Front

Subatomic particles with a positive charge

Back

Protons are subatomic particles found in the nucleus of an atom and carry a positive charge.

Front

Subatomic particles that are neutral in charge

Back

Neutrons are subatomic particles found in the nucleus of an atom and have no charge.

Front

What number indicates an electron?

Back

3 - Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What number indicates the nucleus?

Back

4 - The nucleus is the central part of an atom, containing protons and neutrons.

Front

Which two subatomic particles make up the nucleus of an atom?

Back

Protons and Neutrons are the two types of subatomic particles that make up the nucleus.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element.

Front

What is the mass number?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Front

What is an isotope?

Back

Isotopes are variants of the same element that have the same number of protons but different numbers of neutrons.